Average Co-Inventor Count = 1.20
ph-index = 3
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. Industri Ab Dahlstedt & Johansson (2 from 2 patents)
2. Daloc Ab (1 from 1 patent)
3 patents:
1. 4937978 - Joining of side-plates at a metal door
2. D291386 - Basket for memory discs with indexcards
3. D288639 - File cabinet