This inventor holds 4 USPTO granted patents and 2 published patent applications. Top assignee: The Upjohn Co.. Active years: 1976-1992.
Location History:
- Oshtemo, MI (US) (1990)
- Oshtemo Township, Kalamazoo County, MI (US) (1976 - 1991)
- Kalamazoo, MI (US) (1992)
Company Filing History:
Years Active: 1976-1992
Title: The Innovative Contributions of David D. Gleason
Introduction
David D. Gleason is a notable inventor based in Oshtemo, MI (US). He has made significant contributions to the field of pharmaceutical testing and biological insertion techniques. With a total of 4 patents to his name, Gleason's work has advanced the methodologies used in these critical areas.
Latest Patents
One of his latest inventions is the Multifunction Tablet Tester. This apparatus is designed to test several physical properties of pharmaceutical powders. It includes a frame with a ram that is linearly movably supported and driven by a microstepping rotary drive motor. The ram works in conjunction with load cells and different tablet supporting head assemblies to test tablet hardness and tensile strength. Additionally, the frame features a powder flow test arrangement that allows for precise measurement of powder properties.
Another significant patent is the Gas Driven Microprojectile Accelerator and Method of Use. This innovative technique involves injecting foreign substances, such as DNA, into plant cells or tissue using a biological ballistical insertion method. High-pressure propellant gas accelerates macroprojectiles containing microprojectiles coated with the foreign substance. This method includes a movable macroprojectile stop mechanism that allows for multiple shots without disrupting the vacuum in the sample-holding chamber.
Career Highlights
David D. Gleason has had a distinguished career at The Upjohn Company, where he has applied his expertise in developing advanced testing and insertion technologies. His work has been instrumental in enhancing the efficiency and accuracy of pharmaceutical testing processes.
Collaborations
Throughout his career, Gleason has collaborated with notable colleagues, including Lawrence D. Jones and Paul T. Frey. These partnerships have contributed to the successful development of his innovative patents.
Conclusion
David D. Gleason's contributions to the fields of pharmaceutical testing and biological insertion techniques highlight his role as a leading inventor. His innovative patents continue to influence the industry and pave the way for future advancements.