Average Co-Inventor Count = 4.68
ph-index = 5
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Mcdonald Products Corporation (4 from 8 patents)
2. Smith Metal Arts Co., Inc. (1 from 2 patents)
5 patents:
1. D298764 - Letter tray
2. 4620636 - Office accessory system for use on both horizontal and vertical surfaces
3. 4478339 - Office accessory system for use on both horizontal and vertical surfaces
4. D268118 - Combined calendar, memo and pencil holder
5. D267656 - Combined letter tray and file