Company Filing History:
2 out of 2 
1 out of 1 
1 out of 15 Years Active: 1989-1992
Title: The Innovative Contributions of Stephen P. Schaffer
Introduction
Stephen P. Schaffer, an accomplished inventor based in Hamburg, NY, has made significant strides in the field of dental materials. With a total of four patents to his name, his work primarily focuses on the development of advanced palladium alloys for dental implant restorations, enhancing the durability and performance of dental prosthetics.
Latest Patents
Schaffer's latest inventions include a novel palladium alloy formulation designed for dental implant restorations. This alloy comprises approximately 50-90% palladium, 0-37% gold, 0-3% platinum, 0-35% silver, 0.5-8% gallium, 0-8% tin, and up to 0.2% of a grain refiner selected from iridium, rhenium, and ruthenium. The enhanced rigidity of these alloys allows them to better withstand the forces of mastication over long spans or cantilever sections, making them suitable for traditional crown and bridgework as well as diverse prosthetic applications like metal base plates for dentures, metal retaining bars for removable or fixed dentures, full metal coverage crowns, and bridges. Additionally, another patent features a high palladium alloy used in dental restorations, characterized by 70-82 percent palladium, 5-8 percent gold, and various other components. This alloy can be melted without the need for atmospheric shielding, further streamlining the manufacturing process.
Career Highlights
Throughout his career, Stephen P. Schaffer has worked with reputable companies, including Williams Dental Company, Inc. and Ivoclar North America. His innovative approaches to dental materials have solidified his reputation as a leader in the field, paving the way for improved dental technologies.
Collaborations
Schaffer’s work has also seen collaborations with notable colleagues, including Patrick J. McCabe and Clyde E. Ingersoll. These partnerships have contributed to the development and refinement of dental materials that are now widely used in the industry.
Conclusion
In conclusion, Stephen P. Schaffer’s inventive contributions have significantly impacted dental technology, particularly with his pioneering work on palladium alloys. His commitment to innovation ensures that dental professionals have access to materials that enhance the quality and longevity of patient care. As he continues to advance the field, Schaffer’s legacy as an inventor will undoubtedly inspire future innovations in dental restoration.