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Searching US Patent Collection...

Results of Search in US Patent Collection db for:
REF/4771861: 14 patents.
Hits 1 through 14 out of 14


 


PAT. NO.Title
1 10,464,065 Full-Text Nucleic acid purification
2 10,030,352 Full-Text Manhole frame with one or more handholds
3 10,030,351 Full-Text Manhole frame with one or more handholds
4 10,030,350 Full-Text Manhole frame with one or more handholds
5 7,108,101 Full-Text Manhole insert for manufacture of a cast member and to provide a step insert having increased structural and holding strength
6 6,589,037 Full-Text Device for covering a core of a foothold with synthetic resin
7 6,302,618 Full-Text Foothold
8 6,125,967 Full-Text Foothold
9 6,068,083 Full-Text Foothold
10 6,029,772 Full-Text Ladder provided with reflectors
11 5,967,256 Full-Text Foothold
12 5,772,358 Full-Text Foothold
13 5,752,579 Full-Text Foothold
14 4,869,342 Full-Text Drive in manhole step

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