Average Co-Inventor Count = 1.71
ph-index = 2
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. Cambridge Instruments Inc. (2 from 29 patents)
2. Parke-davis Company (1 from 65 patents)
3 patents:
1. 4702464 - Guide device for guiding a movable part of an apparatus relative to a
2. 4690023 - Clamping mechanism for a cutter of a microtome
3. 4598621 - Microtome having a handwheel for driving a specimen holder